javascript 总结（常用工具类的封装）

迷南。 2021-09-14 15:46 378阅读 0赞

# 一.javaScript #

## 1. type 类型判断 ##

isString (o) { //是否字符串
        return Object.prototype.toString.call(o).slice(8, -1) === 'String'
    }
    
    isNumber (o) { //是否数字
        return Object.prototype.toString.call(o).slice(8, -1) === 'Number'
    }
    
    isObj (o) { //是否对象
        return Object.prototype.toString.call(o).slice(8, -1) === 'Object'
    }
    
    isArray (o) { //是否数组
        return Object.prototype.toString.call(o).slice(8, -1) === 'Array'
    }
    
    isDate (o) { //是否时间
        return Object.prototype.toString.call(o).slice(8, -1) === 'Date'
    }
    
    isBoolean (o) { //是否boolean
        return Object.prototype.toString.call(o).slice(8, -1) === 'Boolean'
    }
    
    isFunction (o) { //是否函数
        return Object.prototype.toString.call(o).slice(8, -1) === 'Function'
    }
    
    isNull (o) { //是否为null
        return Object.prototype.toString.call(o).slice(8, -1) === 'Null'
    }
    
    isUndefined (o) { //是否undefined
        return Object.prototype.toString.call(o).slice(8, -1) === 'Undefined'
    }
    
    isFalse (o) {
        if (!o || o === 'null' || o === 'undefined' || o === 'false' || o === 'NaN') return true
            return false
    }
    
    isTrue (o) {
        return !this.isFalse(o)
    }
    
    isIos () {
        var u = navigator.userAgent;
        if (u.indexOf('Android') > -1 || u.indexOf('Linux') > -1) {//安卓手机
            // return "Android";
            return false
        } else if (u.indexOf('iPhone') > -1) {//苹果手机
            // return "iPhone";
            return true
        } else if (u.indexOf('iPad') > -1) {//iPad
            // return "iPad";
            return false
        } else if (u.indexOf('Windows Phone') > -1) {//winphone手机
            // return "Windows Phone";
            return false
        }else{
            return false
        }
    }
    
    isPC () { //是否为PC端
        var userAgentInfo = navigator.userAgent;
        var Agents = ["Android", "iPhone",
                    "SymbianOS", "Windows Phone",
                    "iPad", "iPod"];
        var flag = true;
        for (var v = 0; v < Agents.length; v++) {
            if (userAgentInfo.indexOf(Agents[v]) > 0) {
                flag = false;
                break;
            }
        }
        return flag;
    }
    
    browserType(){
        var userAgent = navigator.userAgent; //取得浏览器的userAgent字符串
        var isOpera = userAgent.indexOf("Opera") > -1; //判断是否Opera浏览器
        var isIE = userAgent.indexOf("compatible") > -1 && userAgent.indexOf("MSIE") > -1 && !isOpera; //判断是否IE浏览器
        var isEdge = userAgent.indexOf("Edge") > -1; //判断是否IE的Edge浏览器
        var isFF = userAgent.indexOf("Firefox") > -1; //判断是否Firefox浏览器
        var isSafari = userAgent.indexOf("Safari") > -1 && userAgent.indexOf("Chrome") == -1; //判断是否Safari浏览器
        var isChrome = userAgent.indexOf("Chrome") > -1 && userAgent.indexOf("Safari") > -1; //判断Chrome浏览器
        if (isIE) {
            var reIE = new RegExp("MSIE (\\d+\\.\\d+);");
            reIE.test(userAgent);
            var fIEVersion = parseFloat(RegExp["$1"]);
            if(fIEVersion == 7) return "IE7"
            else if(fIEVersion == 8) return "IE8";
            else if(fIEVersion == 9) return "IE9";
            else if(fIEVersion == 10) return "IE10";
            else if(fIEVersion == 11) return "IE11";
            else return "IE7以下"//IE版本过低
        }
    
        if (isFF) return "FF";
        if (isOpera) return "Opera";
        if (isEdge) return "Edge";
        if (isSafari) return "Safari";
        if (isChrome) return "Chrome";
    }
    
    checkStr (str, type) {
        switch (type) {
            case 'phone':   //手机号码
                return /^1[3|4|5|7|8][0-9]{9}$/.test(str);
            case 'tel':     //座机
                return /^(0\d{2,3}-\d{7,8})(-\d{1,4})?$/.test(str);
            case 'card':    //身份证
                return /^\d{15}|\d{18}$/.test(str);
            case 'pwd':     //密码以字母开头，长度在6~18之间，只能包含字母、数字和下划线
                return /^[a-zA-Z]\w{5,17}$/.test(str)
            case 'postal':  //邮政编码
                return /[1-9]\d{5}(?!\d)/.test(str);
            case 'QQ':      //QQ号
                return /^[1-9][0-9]{4,9}$/.test(str);
            case 'email':   //邮箱
                return /^[\w-]+(\.[\w-]+)*@[\w-]+(\.[\w-]+)+$/.test(str);
            case 'money':   //金额(小数点2位)
                return /^\d*(?:\.\d{0,2})?$/.test(str);
            case 'URL':     //网址
                return /(http|ftp|https):\/\/[\w\-_]+(\.[\w\-_]+)+([\w\-\.,@?^=%&:/~\+#]*[\w\-\@?^=%&/~\+#])?/.test(str)
            case 'IP':      //IP
                return /((?:(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d)\\.){3}(?:25[0-5]|2[0-4]\\d|[01]?\\d?\\d))/.test(str);
            case 'date':    //日期时间
                return /^(\d{4})\-(\d{2})\-(\d{2}) (\d{2})(?:\:\d{2}|:(\d{2}):(\d{2}))$/.test(str) || /^(\d{4})\-(\d{2})\-(\d{2})$/.test(str)
            case 'number':  //数字
                return /^[0-9]$/.test(str);
            case 'english': //英文
                return /^[a-zA-Z]+$/.test(str);
            case 'chinese': //中文
                return /^[\u4E00-\u9FA5]+$/.test(str);
            case 'lower':   //小写
                return /^[a-z]+$/.test(str);
            case 'upper':   //大写
                return /^[A-Z]+$/.test(str);
            case 'HTML':    //HTML标记
                return /<("[^"]*"|'[^']*'|[^'">])*>/.test(str);
            default:
                return true;
        }
    }

## 2. Date ##

/**
     * 格式化时间
     * 
     * @param  {time} 时间
     * @param  {cFormat} 格式
     * @return {String} 字符串
     *
     * @example formatTime('2018-1-29', '{y}/{m}/{d} {h}:{i}:{s}') // -> 2018/01/29 00:00:00
     */
    formatTime(time, cFormat) {
        if (arguments.length === 0) return null
        if ((time + '').length === 10) {
            time = +time * 1000
        }
    
        var format = cFormat || '{y}-{m}-{d} {h}:{i}:{s}', date
        if (typeof time === 'object') {
            date = time
        } else {
            date = new Date(time)
        }
    
        var formatObj = {
            y: date.getFullYear(),
            m: date.getMonth() + 1,
            d: date.getDate(),
            h: date.getHours(),
            i: date.getMinutes(),
            s: date.getSeconds(),
            a: date.getDay()
        }
        var time_str = format.replace(/{(y|m|d|h|i|s|a)+}/g, (result, key) => {
            var value = formatObj[key]
            if (key === 'a') return ['一', '二', '三', '四', '五', '六', '日'][value - 1]
            if (result.length > 0 && value < 10) {
                value = '0' + value
            }
            return value || 0
        })
        return time_str
    }
    
    
    /**
     * 返回指定长度的月份集合
     * 
     * @param  {time} 时间
     * @param  {len} 长度
     * @param  {direction} 方向：  1: 前几个月;  2: 后几个月;  3:前后几个月  默认 3
     * @return {Array} 数组
     * 
     * @example   getMonths('2018-1-29', 6, 1)  // ->  ["2018-1", "2017-12", "2017-11", "2017-10", "2017-9", "2017-8", "2017-7"]
     */
    getMonths(time, len, direction) {
        var mm = new Date(time).getMonth(),
            yy = new Date(time).getFullYear(),
            direction = isNaN(direction) ? 3 : direction,
            index = mm;
        var cutMonth = function(index) {
            if ( index <= len && index >= -len) {
                return direction === 1 ? formatPre(index).concat(cutMonth(++index)):
                    direction === 2 ? formatNext(index).concat(cutMonth(++index)):formatCurr(index).concat(cutMonth(++index))
            }
            return []
        }
        var formatNext = function(i) {
            var y = Math.floor(i/12),
                m = i%12
            return [yy+y + '-' + (m+1)]
        }
        var formatPre = function(i) {
            var y = Math.ceil(i/12),
                m = i%12
            m = m===0 ? 12 : m
            return [yy-y + '-' + (13 - m)]
        }
        var formatCurr = function(i) {
            var y = Math.floor(i/12),
                yNext = Math.ceil(i/12),
                m = i%12,
                mNext = m===0 ? 12 : m
            return [yy-yNext + '-' + (13 - mNext),yy+y + '-' + (m+1)]
        }
        // 数组去重
        var unique = function(arr) {
            if ( Array.hasOwnProperty('from') ) {
                return Array.from(new Set(arr));
            }else{
                var n = {},r=[]; 
                for(var i = 0; i < arr.length; i++){
                    if (!n[arr[i]]){
                        n[arr[i]] = true; 
                        r.push(arr[i]);
                    }
                }
                return r;
            }
        }
        return direction !== 3 ? cutMonth(index) : unique(cutMonth(index).sort(function(t1, t2){
            return new Date(t1).getTime() - new Date(t2).getTime()
        }))
    }
    
    
    
    /**
     * 返回指定长度的天数集合
     * 
     * @param  {time} 时间
     * @param  {len} 长度
     * @param  {direction} 方向： 1: 前几天;  2: 后几天;  3:前后几天  默认 3
     * @return {Array} 数组
     *
     * @example date.getDays('2018-1-29', 6) // -> ["2018-1-26", "2018-1-27", "2018-1-28", "2018-1-29", "2018-1-30", "2018-1-31", "2018-2-1"]
     */
    getDays(time, len, diretion) {
        var tt = new Date(time)
        var getDay = function(day) {
            var t = new Date(time)
            t.setDate(t.getDate() + day)
            var m = t.getMonth()+1
            return t.getFullYear()+'-'+m+'-'+t.getDate()
        }
        var arr = []
        if (diretion === 1) {
            for (var i = 1; i <= len; i++) {
                arr.unshift(getDay(-i))
            }
        }else if(diretion === 2) {
            for (var i = 1; i <= len; i++) {
                arr.push(getDay(i))
            }
        }else {
            for (var i = 1; i <= len; i++) {
                arr.unshift(getDay(-i))
            }
            arr.push(tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate())
            for (var i = 1; i <= len; i++) {
                arr.push(getDay(i))
            }
        }
        return diretion === 1 ? arr.concat([tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()]) : 
            diretion === 2 ? [tt.getFullYear()+'-'+(tt.getMonth()+1)+'-'+tt.getDate()].concat(arr) : arr
    }
    
    
    /**
     * @param  {s} 秒数
     * @return {String} 字符串 
     *
     * @example formatHMS(3610) // -> 1h0m10s
     */
    formatHMS (s) {
        var str = ''
        if (s > 3600) {
            str = Math.floor(s/3600)+'h'+Math.floor(s%3600/60)+'m'+s%60+'s'
        }else if(s > 60) {
            str = Math.floor(s/60)+'m'+s%60+'s'
        }else{
            str = s%60+'s'
        }
        return str
    }
    
    /*获取某月有多少天*/
    getMonthOfDay (time) {
        var date = new Date(time)
        var year = date.getFullYear()
        var mouth = date.getMonth() + 1
        var days
    
        //当月份为二月时，根据闰年还是非闰年判断天数
        if (mouth == 2) {
            days = year % 4 == 0 ? 29 : 28
        } else if (mouth == 1 || mouth == 3 || mouth == 5 || mouth == 7 || mouth == 8 || mouth == 10 || mouth == 12) {
            //月份为：1,3,5,7,8,10,12 时，为大月.则天数为31；
            days = 31
        } else {
            //其他月份，天数为：30.
            days = 30
        }
        return days
    }
    
    /*获取某年有多少天*/
    getYearOfDay (time) {
        var firstDayYear = this.getFirstDayOfYear(time);
        var lastDayYear = this.getLastDayOfYear(time);
        var numSecond = (new Date(lastDayYear).getTime() - new Date(firstDayYear).getTime())/1000;
        return Math.ceil(numSecond/(24*3600));
    }
    
    /*获取某年的第一天*/
    getFirstDayOfYear (time) {
        var year = new Date(time).getFullYear();
        return year + "-01-01 00:00:00";
    }
    
    /*获取某年最后一天*/
    getLastDayOfYear (time) {
        var year = new Date(time).getFullYear();
        var dateString = year + "-12-01 00:00:00";
        var endDay = this.getMonthOfDay(dateString);
        return year + "-12-" + endDay + " 23:59:59";
    }
    
    /*获取某个日期是当年中的第几天*/
    getDayOfYear (time) {
        var firstDayYear = this.getFirstDayOfYear(time);
        var numSecond = (new Date(time).getTime() - new Date(firstDayYear).getTime())/1000;
        return Math.ceil(numSecond/(24*3600));
    }
    
    /*获取某个日期在这一年的第几周*/
    getDayOfYearWeek (time) {
        var numdays = this.getDayOfYear(time);
        return Math.ceil(numdays / 7);
    }

## 3. Array ##

/*判断一个元素是否在数组中*/
    contains (arr, val) {
        return arr.indexOf(val) != -1 ? true : false;
    }
    
    
    /**
     * @param  {arr} 数组
     * @param  {fn} 回调函数
     * @return {undefined}
     */
    each (arr, fn) {
        fn = fn || Function;
        var a = [];
        var args = Array.prototype.slice.call(arguments, 1);
        for(var i = 0; i < arr.length; i++) {
            var res = fn.apply(arr, [arr[i], i].concat(args));
            if(res != null) a.push(res);
        }
    }
    
    /**
     * @param  {arr} 数组
     * @param  {fn} 回调函数
     * @param  {thisObj} this指向
     * @return {Array} 
     */
    map (arr, fn, thisObj) {
        var scope = thisObj || window;
        var a = [];
        for(var i = 0, j = arr.length; i < j; ++i) {
            var res = fn.call(scope, arr[i], i, this);
            if(res != null) a.push(res);
        }
        return a;
    }
    
    
    /**
     * @param  {arr} 数组
     * @param  {type} 1：从小到大   2：从大到小   3：随机
     * @return {Array}
     */
    sort (arr, type = 1) {
        return arr.sort( (a, b) => {
            switch(type) {
                case 1:
                    return a - b;
                case 2:
                    return b - a;
                case 3:
                    return Math.random() - 0.5;
                default:
                    return arr;
            }
        })
    }
    
    /*去重*/
    unique (arr) {
        if ( Array.hasOwnProperty('from') ) {
            return Array.from(new Set(arr));
        }else{
            var n = {},r=[]; 
            for(var i = 0; i < arr.length; i++){
                if (!n[arr[i]]){
                    n[arr[i]] = true; 
                    r.push(arr[i]);
                }
            }
            return r;
        }
    }
    
    /*求两个集合的并集*/
    union (a, b) {
        var newArr = a.concat(b);
        return this.unique(newArr);
    }
    
    /*求两个集合的交集*/
    intersect (a, b) {
        var _this = this;
        a = this.unique(a);
        return this.map(a, function(o) {
            return _this.contains(b, o) ? o : null;
        });
    }
    
    /*删除其中一个元素*/
    remove (arr, ele) {
        var index = arr.indexOf(ele);
        if(index > -1) {
            arr.splice(index, 1);
        }
        return arr;
    }
    
    /*将类数组转换为数组的方法*/
    formArray (ary) {
        var arr = [];
        if(Array.isArray(ary)) {
            arr = ary;
        } else {
            arr = Array.prototype.slice.call(ary);
        };
        return arr;
    }
    
    /*最大值*/
    max (arr) {
        return Math.max.apply(null, arr);
    }
    
    /*最小值*/
    min (arr) {
        return Math.min.apply(null, arr);
    }
    
    /*求和*/
    sum (arr) {
        return arr.reduce( (pre, cur) => {
            return pre + cur
        })
    }
    
    /*平均值*/
    average (arr) {
        return this.sum(arr)/arr.length
    }

## 4. String 字符串操作 ##

/**
     * 去除空格
     * @param  {str}
     * @param  {type} 
     *       type:  1-所有空格  2-前后空格  3-前空格 4-后空格
     * @return {String}
     */
    trim (str, type) {
        type = type || 1
        switch (type) {
            case 1:
                return str.replace(/\s+/g, "");
            case 2:
                return str.replace(/(^\s*)|(\s*$)/g, "");
            case 3:
                return str.replace(/(^\s*)/g, "");
            case 4:
                return str.replace(/(\s*$)/g, "");
            default:
                return str;
        }
    }
    
    /**
     * @param  {str} 
     * @param  {type}
     *       type:  1:首字母大写  2：首页母小写  3：大小写转换  4：全部大写  5：全部小写
     * @return {String}
     */
    changeCase (str, type) {
        type = type || 4
        switch (type) {
            case 1:
                return str.replace(/\b\w+\b/g, function (word) {
                    return word.substring(0, 1).toUpperCase() + word.substring(1).toLowerCase();
    
                });
            case 2:
                return str.replace(/\b\w+\b/g, function (word) {
                    return word.substring(0, 1).toLowerCase() + word.substring(1).toUpperCase();
                });
            case 3:
                return str.split('').map( function(word){
                    if (/[a-z]/.test(word)) {
                        return word.toUpperCase();
                    }else{
                        return word.toLowerCase()
                    }
                }).join('')
            case 4:
                return str.toUpperCase();
            case 5:
                return str.toLowerCase();
            default:
                return str;
        }
    }
    
    
    /*
        检测密码强度
    */
    checkPwd (str) {
        var Lv = 0;
        if (str.length < 6) {
            return Lv
        }
        if (/[0-9]/.test(str)) {
            Lv++
        }
        if (/[a-z]/.test(str)) {
            Lv++
        }
        if (/[A-Z]/.test(str)) {
            Lv++
        }
        if (/[\.|-|_]/.test(str)) {
            Lv++
        }
        return Lv;
    }
    
    /*过滤html代码(把<>转换)*/
    filterTag (str) {
        str = str.replace(/&/ig, "&");
        str = str.replace(/</ig, "<");
        str = str.replace(/>/ig, ">");
        str = str.replace(" ", " ");
        return str;
    }

## 5. Number ##

/*随机数范围*/
    random (min, max) {
        if (arguments.length === 2) {
            return Math.floor(min + Math.random() * ( (max+1) - min ))
        }else{
            return null;
        }
        
    }
    
    /*将阿拉伯数字翻译成中文的大写数字*/
    numberToChinese (num) {
        var AA = new Array("零", "一", "二", "三", "四", "五", "六", "七", "八", "九", "十");
        var BB = new Array("", "十", "百", "仟", "萬", "億", "点", "");
        var a = ("" + num).replace(/(^0*)/g, "").split("."),
            k = 0,
            re = "";
        for(var i = a[0].length - 1; i >= 0; i--) {
            switch(k) {
                case 0:
                    re = BB[7] + re;
                    break;
                case 4:
                    if(!new RegExp("0{4}//d{" + (a[0].length - i - 1) + "}$")
                        .test(a[0]))
                        re = BB[4] + re;
                    break;
                case 8:
                    re = BB[5] + re;
                    BB[7] = BB[5];
                    k = 0;
                    break;
            }
            if(k % 4 == 2 && a[0].charAt(i + 2) != 0 && a[0].charAt(i + 1) == 0)
                re = AA[0] + re;
            if(a[0].charAt(i) != 0)
                re = AA[a[0].charAt(i)] + BB[k % 4] + re;
            k++;
        }
    
        if(a.length > 1) // 加上小数部分(如果有小数部分)
        {
            re += BB[6];
            for(var i = 0; i < a[1].length; i++)
                re += AA[a[1].charAt(i)];
        }
        if(re == '一十')
            re = "十";
        if(re.match(/^一/) && re.length == 3)
            re = re.replace("一", "");
        return re;
    }
    
    /*将数字转换为大写金额*/
    changeToChinese (Num) {
            //判断如果传递进来的不是字符的话转换为字符
            if(typeof Num == "number") {
                Num = new String(Num);
            };
            Num = Num.replace(/,/g, "") //替换tomoney()中的“,”
            Num = Num.replace(/ /g, "") //替换tomoney()中的空格
            Num = Num.replace(/￥/g, "") //替换掉可能出现的￥字符
            if(isNaN(Num)) { //验证输入的字符是否为数字
                //alert("请检查小写金额是否正确");
                return "";
            };
            //字符处理完毕后开始转换，采用前后两部分分别转换
            var part = String(Num).split(".");
            var newchar = "";
            //小数点前进行转化
            for(var i = part[0].length - 1; i >= 0; i--) {
                if(part[0].length > 10) {
                    return "";
                    //若数量超过拾亿单位，提示
                }
                var tmpnewchar = ""
                var perchar = part[0].charAt(i);
                switch(perchar) {
                    case "0":
                        tmpnewchar = "零" + tmpnewchar;
                        break;
                    case "1":
                        tmpnewchar = "壹" + tmpnewchar;
                        break;
                    case "2":
                        tmpnewchar = "贰" + tmpnewchar;
                        break;
                    case "3":
                        tmpnewchar = "叁" + tmpnewchar;
                        break;
                    case "4":
                        tmpnewchar = "肆" + tmpnewchar;
                        break;
                    case "5":
                        tmpnewchar = "伍" + tmpnewchar;
                        break;
                    case "6":
                        tmpnewchar = "陆" + tmpnewchar;
                        break;
                    case "7":
                        tmpnewchar = "柒" + tmpnewchar;
                        break;
                    case "8":
                        tmpnewchar = "捌" + tmpnewchar;
                        break;
                    case "9":
                        tmpnewchar = "玖" + tmpnewchar;
                        break;
                }
                switch(part[0].length - i - 1) {
                    case 0:
                        tmpnewchar = tmpnewchar + "元";
                        break;
                    case 1:
                        if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
                        break;
                    case 2:
                        if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
                        break;
                    case 3:
                        if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
                        break;
                    case 4:
                        tmpnewchar = tmpnewchar + "万";
                        break;
                    case 5:
                        if(perchar != 0) tmpnewchar = tmpnewchar + "拾";
                        break;
                    case 6:
                        if(perchar != 0) tmpnewchar = tmpnewchar + "佰";
                        break;
                    case 7:
                        if(perchar != 0) tmpnewchar = tmpnewchar + "仟";
                        break;
                    case 8:
                        tmpnewchar = tmpnewchar + "亿";
                        break;
                    case 9:
                        tmpnewchar = tmpnewchar + "拾";
                        break;
                }
                var newchar = tmpnewchar + newchar;
            }
            //小数点之后进行转化
            if(Num.indexOf(".") != -1) {
                if(part[1].length > 2) {
                    // alert("小数点之后只能保留两位,系统将自动截断");
                    part[1] = part[1].substr(0, 2)
                }
                for(i = 0; i < part[1].length; i++) {
                    tmpnewchar = ""
                    perchar = part[1].charAt(i)
                    switch(perchar) {
                        case "0":
                            tmpnewchar = "零" + tmpnewchar;
                            break;
                        case "1":
                            tmpnewchar = "壹" + tmpnewchar;
                            break;
                        case "2":
                            tmpnewchar = "贰" + tmpnewchar;
                            break;
                        case "3":
                            tmpnewchar = "叁" + tmpnewchar;
                            break;
                        case "4":
                            tmpnewchar = "肆" + tmpnewchar;
                            break;
                        case "5":
                            tmpnewchar = "伍" + tmpnewchar;
                            break;
                        case "6":
                            tmpnewchar = "陆" + tmpnewchar;
                            break;
                        case "7":
                            tmpnewchar = "柒" + tmpnewchar;
                            break;
                        case "8":
                            tmpnewchar = "捌" + tmpnewchar;
                            break;
                        case "9":
                            tmpnewchar = "玖" + tmpnewchar;
                            break;
                    }
                    if(i == 0) tmpnewchar = tmpnewchar + "角";
                    if(i == 1) tmpnewchar = tmpnewchar + "分";
                    newchar = newchar + tmpnewchar;
                }
            }
            //替换所有无用汉字
            while(newchar.search("零零") != -1)
                newchar = newchar.replace("零零", "零");
            newchar = newchar.replace("零亿", "亿");
            newchar = newchar.replace("亿万", "亿");
            newchar = newchar.replace("零万", "万");
            newchar = newchar.replace("零元", "元");
            newchar = newchar.replace("零角", "");
            newchar = newchar.replace("零分", "");
            if(newchar.charAt(newchar.length - 1) == "元") {
                newchar = newchar + "整"
            }
            return newchar;
        }

## 6. Http ##

/**
     * @param  {setting}
     */
    ajax(setting){
        //设置参数的初始值
        var opts={
            method: (setting.method || "GET").toUpperCase(), //请求方式
            url: setting.url || "", // 请求地址
            async: setting.async || true, // 是否异步
            dataType: setting.dataType || "json", // 解析方式
            data: setting.data || "", // 参数
            success: setting.success || function(){}, // 请求成功回调
            error: setting.error || function(){} // 请求失败回调
        }
    
        // 参数格式化
        function params_format (obj) {
            var str = ''
            for (var i in obj) {
                str += i + '=' + obj[i] + '&'
            }
            return str.split('').slice(0, -1).join('')
        }
    
        // 创建ajax对象
        var xhr=new XMLHttpRequest();
    
        // 连接服务器open(方法GET/POST，请求地址， 异步传输)
        if(opts.method == 'GET'){
            xhr.open(opts.method, opts.url + "?" + params_format(opts.data), opts.async);
            xhr.send();
        }else{
            xhr.open(opts.method, opts.url, opts.async);
            xhr.setRequestHeader("Content-Type","application/x-www-form-urlencoded");
            xhr.send(opts.data);
        }
        
        /*
        ** 每当readyState改变时，就会触发onreadystatechange事件
        ** readyState属性存储有XMLHttpRequest的状态信息
        ** 0 ：请求未初始化
        ** 1 ：服务器连接已建立
        ** 2 ：请求已接受
        ** 3 : 请求处理中
        ** 4 ：请求已完成，且相应就绪
        */
        xhr.onreadystatechange = function() {
            if (xhr.readyState === 4 && (xhr.status === 200 || xhr.status === 304)) {
                switch(opts.dataType){
                    case "json":
                        var json = JSON.parse(xhr.responseText);
                        opts.success(json);
                        break;
                    case "xml":
                        opts.success(xhr.responseXML);
                        break;
                    default:
                        opts.success(xhr.responseText);
                        break;
                }
            }
        }
    
        xhr.onerror = function(err) {
            opts.error(err);
        }
    }
    
    /**
     * @param  {url}
     * @param  {setting}
     * @return {Promise}
     */
    fetch(url, setting) {
        //设置参数的初始值
        let opts={
            method: (setting.method || 'GET').toUpperCase(), //请求方式
            headers : setting.headers  || {}, // 请求头设置
            credentials : setting.credentials  || true, // 设置cookie是否一起发送
            body: setting.body || {},
            mode : setting.mode  || 'no-cors', // 可以设置 cors, no-cors, same-origin
            redirect : setting.redirect  || 'follow', // follow, error, manual
            cache : setting.cache  || 'default' // 设置 cache 模式 (default, reload, no-cache)
        }
        let dataType = setting.dataType || "json", // 解析方式  
            data = setting.data || "" // 参数
    
        // 参数格式化
        function params_format (obj) {
            var str = ''
            for (var i in obj) {
                str += `${i}=${obj[i]}&`
            }
            return str.split('').slice(0, -1).join('')
        }
    
        if (opts.method === 'GET') {
            url = url + (data?`?${params_format(data)}`:'')
        }else{
            setting.body = data || {}
        }
    
        return new Promise( (resolve, reject) => {
            fetch(url, opts).then( async res => {
                let data = dataType === 'text' ? await res.text() :
                    dataType === 'blob' ? await res.blob() : await res.json() 
                resolve(data)
            }).catch( e => {
                reject(e)
            })
        })
        
    }

## 7. DOM ##

$ (selector){ 
        var type = selector.substring(0, 1);
        if (type === '#') {
            if (document.querySelecotor) return document.querySelector(selector)
                return document.getElementById(selector.substring(1))
            
        }else if (type === '.') {
            if (document.querySelecotorAll) return document.querySelectorAll(selector)
                return document.getElementsByClassName(selector.substring(1))
        }else{
            return document['querySelectorAll' ? 'querySelectorAll':'getElementsByTagName'](selector)
        }
    } 
    
    /*检测类名*/
    hasClass (ele, name) {
        return ele.className.match(new RegExp('(\\s|^)' + name + '(\\s|$)'));
    }
    
    /*添加类名*/
    addClass (ele, name) {
        if (!this.hasClass(ele, name)) ele.className += " " + name;
    }
    
    /*删除类名*/
    removeClass (ele, name) {
        if (this.hasClass(ele, name)) {
            var reg = new RegExp('(\\s|^)' + name + '(\\s|$)');
            ele.className = ele.className.replace(reg, '');
        }
    }
    
    /*替换类名*/
    replaceClass (ele, newName, oldName) {
        this.removeClass(ele, oldName);
        this.addClass(ele, newName);
    }
    
    /*获取兄弟节点*/
    siblings (ele) {
        console.log(ele.parentNode)
        var chid = ele.parentNode.children,eleMatch = []; 
        for(var i = 0, len = chid.length; i < len; i ++){ 
            if(chid[i] != ele){ 
                eleMatch.push(chid[i]); 
            } 
        } 
        return eleMatch;
    }
    
    /*获取行间样式属性*/
    getByStyle (obj,name){
        if(obj.currentStyle){
            return  obj.currentStyle[name];
        }else{
            return  getComputedStyle(obj,false)[name];
        }
    }

## 8. Storage 储存操作 ##

class StorageFn {
        constructor () {
            this.ls = window.localStorage;
            this.ss = window.sessionStorage;
        }
    
        /*-----------------cookie---------------------*/
        /*设置cookie*/
        setCookie (name, value, day) {
            var setting = arguments[0];
            if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){
                for (var i in setting) {
                    var oDate = new Date();
                    oDate.setDate(oDate.getDate() + day);
                    document.cookie = i + '=' + setting[i] + ';expires=' + oDate;
                }
            }else{
                var oDate = new Date();
                oDate.setDate(oDate.getDate() + day);
                document.cookie = name + '=' + value + ';expires=' + oDate;
            }
            
        }
    
        /*获取cookie*/
        getCookie (name) {
            var arr = document.cookie.split('; ');
            for (var i = 0; i < arr.length; i++) {
                var arr2 = arr[i].split('=');
                if (arr2[0] == name) {
                    return arr2[1];
                }
            }
            return '';
        }
    
        /*删除cookie*/
        removeCookie (name) {
            this.setCookie(name, 1, -1);
        }
    
    
        /*-----------------localStorage---------------------*/
        /*设置localStorage*/
        setLocal(key, val) {
            var setting = arguments[0];
            if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){
                for(var i in setting){
                    this.ls.setItem(i, JSON.stringify(setting[i]))
                }
            }else{
                this.ls.setItem(key, JSON.stringify(val))
            }
            
        }
    
        /*获取localStorage*/
        getLocal(key) {
            if (key) return JSON.parse(this.ls.getItem(key))
            return null;
            
        }
    
        /*移除localStorage*/
        removeLocal(key) {
            this.ls.removeItem(key)
        }
    
        /*移除所有localStorage*/
        clearLocal() {
            this.ls.clear()
        }
    
    
        /*-----------------sessionStorage---------------------*/
        /*设置sessionStorage*/
        setSession(key, val) {
            var setting = arguments[0];
            if (Object.prototype.toString.call(setting).slice(8, -1) === 'Object'){
                for(var i in setting){
                    this.ss.setItem(i, JSON.stringify(setting[i]))
                }
            }else{
                this.ss.setItem(key, JSON.stringify(val))
            }
            
        }
    
        /*获取sessionStorage*/
        getSession(key) {
            if (key) return JSON.parse(this.ss.getItem(key))
            return null;
            
        }
    
        /*移除sessionStorage*/
        removeSession(key) {
            this.ss.removeItem(key)
        }
    
        /*移除所有sessionStorage*/
        clearSession() {
            this.ss.clear()
        }
    
        
    }

## 9. Other 其它操作 ##

# 二.css #

## 1. 公共样式提取 ##

/* 禁止选中文本 */
    .usn{
        -webkit-user-select:none;
        -moz-user-select:none;
        -ms-user-select:none;
        -o-user-select:none;
        user-select:none;
    }
    /* 浮动 */
    .fl { float: left; }
    .fr { float: right; }
    .cf { zoom: 1; }
    .cf:after {
        content:".";
        display:block;
        clear:both;
        visibility:hidden;
        height:0;
        overflow:hidden;
    }
    
    /* 元素类型 */
    .db { display: block; }
    .dn { display: none; }
    .di { display: inline }
    .dib {display: inline-block;}
    .transparent { opacity: 0 }
    
    
    /*文字排版、颜色*/
    .f12 { font-size:12px }
    .f14 { font-size:14px }
    .f16 { font-size:16px }
    .f18 { font-size:18px }
    .f20 { font-size:20px }
    .fb { font-weight:bold }
    .fn { font-weight:normal }
    .t2 { text-indent:2em }
    .red,a.red { color:#cc0031 }
    .darkblue,a.darkblue { color:#039 }
    .gray,a.gray { color:#878787 }
    .lh150 { line-height:150% }
    .lh180 { line-height:180% }
    .lh200 { line-height:200% }
    .unl { text-decoration:underline; }
    .no_unl { text-decoration:none; }
    .tl { text-align: left; }
    .tc { text-align: center; }
    .tr { text-align: right; }
    .tj { text-align: justify; text-justify: inter-ideograph; }
    .wn { /* 强制不换行 */
        word-wrap:normal;
        white-space:nowrap;
    }
    .wb { /* 强制换行 */
        white-space:normal;
        word-wrap:break-word;
        word-break:break-all;
    }
    .wp { /* 保持空白序列*/
        overflow:hidden;text-align:left;white-space:pre-wrap;word-wrap:break-word;word-break:break-all;
    }
    .wes { /* 多出部分用省略号表示 , 用于一行 */
        overflow:hidden;
        word-wrap:normal;
        white-space:nowrap;
        text-overflow:ellipsis;
    }
    .wes-2 { /* 适用于webkit内核和移动端 */
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 2;
        overflow: hidden;
    } 
    .wes-3 {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 3;
        overflow: hidden;
    }
    .wes-4 {
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 4;
        overflow: hidden;
    }
    
    /* 溢出样式 */
    .ofh { overflow: hidden; }
    .ofs {overflow: scroll; }
    .ofa {overflow: auto; }
    .ofv {overflow: visible; }
    
    /* 定位方式 */
    .ps {position: static; }
    .pr {position: relative;zoom:1; }
    .pa {position: absolute; }
    .pf {position: fixed; }
    
    
    /* 垂直对齐方式 */
    .vt {vertical-align: top; }
    .vm {vertical-align: middle; }
    .vb {vertical-align: bottom; }
    
    
    /* 鼠标样式 */
    .csd {cursor: default; }
    .csp {cursor: pointer; }
    .csh {cursor: help; }
    .csm {cursor: move; }
    
    /* flex布局 */
    .df-sb {
        display:flex;
        align-items: center;
        justify-content: space-between;
    }
    .df-sa {
        display:flex;
        align-items: center;
        justify-content: space-around;
    }
    
    /* 垂直居中 */
    .df-c {
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .tb-c {
        text-align:center;
        display:table-cell;
        vertical-align:middle;
    }
    .ts-c {
        position: absolute;
        left: 50%; top: 50%;
        transform: translate(-50%, -50%);
    }
    .ts-mc {
        position: absolute;
        left: 0;right: 0;
        bottom: 0; top: 0;
        margin: auto;
    }
    
    /* 辅助 */
    .mask-fixed-wrapper {
        width: 100%;
        height: 100%;
        position: fixed;
        left:0;top:0;
        background: rgba(0, 0, 0, 0.65);
        z-index: 999;
    }
    .bg-cover {
        background-size: cover;
        background-repeat: no-repeat;
        background-position: center center;
    }
    .bg-cover-all {
        background-size: 100% 100%;
        background-repeat: no-repeat;
        background-position: center center;
    }